var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var session = require('express-session')
var flash = require('express-flash');

var routes = require('./routes/index');
var users = require('./routes/users');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

// uncomment after placing your favicon in /public
// app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: false}));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(session({
    secret: 'microblog',
    resave: false,
    cookie: {secure: true}
}));
app.use(flash());

app.use('/', routes);
app.use('/users', users);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
    app.use(function (err, req, res, next) {
        res.status(err.status || 500);
        res.render('error', {
            message: err.message,
            error: err
        });
    });
}

// production error handler
// no stacktraces leaked to user
// app.use(function (err, req, res, next) {
//     res.status(err.status || 500);
//     res.render('error', {
//         message: err.message,
//         error: {}
//     });
// });
//
// app.helpers({
//     user: function (req, res) {
//         return req.session.user;
//     },
//
//     error: function (req, res) {
//         var err = req.flash('error');
//         if (err.length) {
//             return err;
//         } else {
//             return null;
//         }
//     },
//
//     success: function (req, res) {
//         var succ = req.flash('success');
//         if (succ.length) {
//             return succ;
//         } else {
//             return null;
//         }
//     }
// });

module.exports = app;